package al.xc.common.slefenum;

import com.google.gson.*;

import java.lang.reflect.Type;

public class CodeTypeTypeAdapter<E extends Enum<E> & CodeEnum> implements JsonSerializer<E>, JsonDeserializer<E> {

    @Override
    public E deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
        if (type instanceof Class) {
            @SuppressWarnings("unchecked")
            Class<E> klass = (Class<E>) type;
            return CodeEnum.codeOf(klass, jsonElement.getAsInt()).orElse(null);
        } else {
            throw new RuntimeException(String.format("json %s cannot convert to type %s", jsonElement, type));
        }
    }

    @Override
    public JsonElement serialize(E e, Type type, JsonSerializationContext jsonSerializationContext) {
        return new JsonPrimitive(e.getCode());
    }
}
